Finding the Fourth Proportional to 8,445,767.60, 11,655,174.84 and 4,578,276.80
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Solution
The fourth proportional to 8,445,767.60, 11,655,174.84 and 4,578,276.80 is: 6,318,030.41
Step by Step Solution
- Step 1: Write the proportion equation
8,445,767.60 : 11,655,174.84 = 4,578,276.80 : x - Step 2: Convert to fraction form
8,445,767.60/11,655,174.84 = 4,578,276.80/x - Step 3: Cross multiply
8,445,767.60x = 11,655,174.84 × 4,578,276.80 - Step 4: Simplify right side
8,445,767.60x = 53,360,616,569,915.71 - Step 5: Solve for x
x = 53,360,616,569,915.71/8,445,767.60 - Step 6: Final answer
x = 6,318,030.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.